Answer:
The increased temperature in this layer is due mainly to UV absorption by various chemical species, including ozone and molecular oxygen present in the stratosphere. Maximum heating takes place in the upper part of the stratosphere. Because of the stable air, pollutant mixing is suppressed within this layer.
Mitosis is a part of the cell cycle when replicated chromonsomes are separated into two new nuclei.
Awnser:
She has two different alleles for eye shape, one from each parent
You always receive 1 allele from each parent, and you're heterozygous, those alleles are different.
The reason both of these are valid scientific hypotheses is because A) scientists with different educational backgrounds may put forth different hypotheses to explain the same data.
This approach in science is vital in making progress and has helped to explain many phenomena in the past. When scientists explain data using different approaches, they come to a more comprehensive conclusion.
